Wisconsin Security Deposit Law
Return deadline, statute, and penalties for Wisconsin renters.
Return deadline
21 days
Penalty for late or wrongful withholding
2× the amount wrongfully withheld plus attorney fees (Wis. Stat. § 100.20(5))
Governing statute
Wis. Stat. § 704.28; Wis. Admin. Code ATCP § 134.06
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Check my Wisconsin deadlineWisconsin security deposit questions
How long does a landlord have to return a security deposit in Wisconsin?
Under Wis. Stat. § 704.28; Wis. Admin. Code ATCP § 134.06, a Wisconsin landlord generally has 21 days to return the deposit or provide an itemized statement of deductions.
What happens if a Wisconsin landlord returns the deposit late?
2× the amount wrongfully withheld plus attorney fees (Wis. Stat. § 100.20(5)). Courts usually decide whether a penalty applies, and many states require showing the landlord acted in bad faith.
Can a Wisconsin landlord deduct from my deposit?
Landlords can generally deduct for unpaid rent and damage beyond normal wear and tear, and must explain deductions in writing.
How do I demand my security deposit back in Wisconsin?
Send your landlord a written demand letter that cites Wis. Stat. § 704.28; Wis. Admin. Code ATCP § 134.06, states the amount owed, and sets a deadline to pay. Send it by certified mail and keep a copy. If the landlord doesn't pay, the letter is useful evidence in small claims court.
Last reviewed October 21, 2026. Read the official text of Wis. Stat. § 704.28; Wis. Admin. Code ATCP § 134.06. This page is general information, not legal advice. See our terms of use.